Cancer is not caused by depression and stress. No one knows exactly what causes cancer cells to 'turn on'. Depression and stress can, however, exacerbate any illness.
Best to see a doctor for a full checkup and get a referral for treatment for the stress and depression.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.